The toughest case yet for Greywalker Harper Blaine... Why did Seattle investigator Harper Blaine-as opposed to others with near-death experiences-become a Greywalker? When Harper digs into her own past, she unearths some unpleasant truths about her father's early death as well as a mysterious puzzle. Forced by some very demanding vampires to take on an investigation in London, she soon discovers her present trouble sin England are entangled with her dark past back in Seattle-and her ultimate destiny as a Greywalker.